# -*- coding: utf-8 -*-
"""
定时任务数据访问层

负责定时任务相关的数据库操作，包括任务状态记录、执行日志等
"""
from typing import Dict, Any, Optional, List
from datetime import datetime
from app.repositories.base_repository import BaseRepository


class TaskRepository(BaseRepository):
    """定时任务仓库类"""
    
    def __init__(self):
        # 假设有一个task_logs表来记录任务日志
        super().__init__("task_logs")
    
    def log_task_execution(self, task_name: str, task_type: str, status: str, 
                          start_time: datetime, end_time: Optional[datetime] = None,
                          result_message: Optional[str] = None, 
                          error_message: Optional[str] = None) -> str:
        """记录任务执行日志"""
        try:
            log_data = {
                'task_name': task_name,
                'task_type': task_type,
                'status': status,  # running, success, failed
                'start_time': start_time,
                'end_time': end_time,
                'result_message': result_message,
                'error_message': error_message,
                'created_time': datetime.now()
            }
            
            # 插入任务执行日志（如果有对应的表的话）
            # 这里暂时返回模拟的日志ID
            log_id = f"LOG_{datetime.now().strftime('%Y%m%d%H%M%S')}_{task_name}"
            print(f"任务日志记录: {log_id} - {task_name} - {status}")
            return log_id
            
        except Exception as e:
            print(f"记录任务日志失败: {str(e)}")
            return None
    
    def get_task_execution_history(self, task_name: Optional[str] = None, 
                                  task_type: Optional[str] = None,
                                  limit: int = 100) -> List[Dict[str, Any]]:
        """获取任务执行历史"""
        try:
            # 这里应该查询任务日志表
            # 暂时返回模拟数据
            return [
                {
                    'log_id': 'LOG_20241221_goods_sync',
                    'task_name': 'goods_sync',
                    'task_type': 'goods',
                    'status': 'success',
                    'start_time': '2024-12-21 10:00:00',
                    'end_time': '2024-12-21 10:05:00',
                    'result_message': '同步完成，处理了100个商品'
                }
            ]
        except Exception as e:
            print(f"获取任务历史失败: {str(e)}")
            return []
    
    def update_task_status(self, log_id: str, status: str, end_time: datetime,
                          result_message: Optional[str] = None,
                          error_message: Optional[str] = None) -> bool:
        """更新任务状态"""
        try:
            print(f"更新任务状态: {log_id} -> {status}")
            # 这里应该更新任务日志表
            return True
        except Exception as e:
            print(f"更新任务状态失败: {str(e)}")
            return False
    
    def get_task_statistics(self, task_type: Optional[str] = None,
                           days: int = 7) -> Dict[str, Any]:
        """获取任务统计信息"""
        try:
            # 这里应该统计任务执行情况
            # 暂时返回模拟数据
            return {
                'total_executions': 100,
                'success_count': 95,
                'failed_count': 5,
                'success_rate': 95.0,
                'avg_duration': 120.5  # 秒
            }
        except Exception as e:
            print(f"获取任务统计失败: {str(e)}")
            return {}


class ExternalApiRepository(BaseRepository):
    """外部API数据访问层"""
    
    def __init__(self):
        # 假设有一个api_logs表来记录API调用
        super().__init__("api_logs")
    
    def save_api_response(self, api_name: str, response_data: Dict[str, Any],
                         request_params: Optional[Dict[str, Any]] = None) -> str:
        """保存API响应数据"""
        try:
            # 这里可以保存API响应到数据库，用于调试和审计
            record_id = f"API_{datetime.now().strftime('%Y%m%d%H%M%S')}_{api_name}"
            print(f"保存API响应: {record_id}")
            return record_id
        except Exception as e:
            print(f"保存API响应失败: {str(e)}")
            return None
    
    def get_last_sync_time(self, api_name: str) -> Optional[datetime]:
        """获取最后同步时间"""
        try:
            # 这里应该查询最后同步时间
            # 暂时返回None，表示没有记录
            return None
        except Exception as e:
            print(f"获取最后同步时间失败: {str(e)}")
            return None
    
    def update_last_sync_time(self, api_name: str, sync_time: datetime) -> bool:
        """更新最后同步时间"""
        try:
            print(f"更新最后同步时间: {api_name} -> {sync_time}")
            # 这里应该更新最后同步时间记录
            return True
        except Exception as e:
            print(f"更新最后同步时间失败: {str(e)}")
            return False


class TaskConfigRepository(BaseRepository):
    """任务配置数据访问层"""
    
    def __init__(self):
        # 假设有一个task_configs表来存储任务配置
        super().__init__("task_configs")
    
    def get_task_config(self, task_name: str) -> Optional[Dict[str, Any]]:
        """获取任务配置"""
        try:
            # 这里应该从数据库获取任务配置
            # 暂时返回None，使用默认配置
            return None
        except Exception as e:
            print(f"获取任务配置失败: {str(e)}")
            return None
    
    def update_task_config(self, task_name: str, config: Dict[str, Any]) -> bool:
        """更新任务配置"""
        try:
            print(f"更新任务配置: {task_name}")
            # 这里应该更新任务配置到数据库
            return True
        except Exception as e:
            print(f"更新任务配置失败: {str(e)}")
            return False
    
    def is_task_enabled(self, task_name: str) -> bool:
        """检查任务是否启用"""
        try:
            # 这里应该检查任务是否启用
            # 暂时返回True
            return True
        except Exception as e:
            print(f"检查任务状态失败: {str(e)}")
            return False 
    def execute_custom_query(self, query: str, params: tuple = None):
        """执行自定义查询"""
        try:
            import mysql.connector
            connection = mysql.connector.connect(**self.db_config)
            cursor = connection.cursor(dictionary=True)
            
            if params:
                cursor.execute(query, params)
            else:
                cursor.execute(query)
            
            result = cursor.fetchall()
            cursor.close()
            connection.close()
            
            return result if result else []
        except Exception as e:
            print(f"查询错误: {e}")
            return []
    
    def execute_query(self, query: str, params: tuple = None):
        """执行查询（别名）"""
        return self.execute_custom_query(query, params)
    
    def count_query(self, query: str, params: tuple = None):
        """计数查询"""
        try:
            import mysql.connector
            connection = mysql.connector.connect(**self.db_config)
            cursor = connection.cursor()
            
            if params:
                cursor.execute(query, params)
            else:
                cursor.execute(query)
            
            result = cursor.fetchone()
            cursor.close()
            connection.close()
            
            return result[0] if result else 0
        except Exception as e:
            print(f"计数错误: {e}")
            return 0

    def execute_custom_query(self, query: str, params: tuple = None, *args, **kwargs):
        """执行自定义查询"""
        try:
            import mysql.connector
            connection = mysql.connector.connect(**self.db_config)
            cursor = connection.cursor(dictionary=True)
            
            if params:
                cursor.execute(query, params)
            else:
                cursor.execute(query)
            
            result = cursor.fetchall()
            cursor.close()
            connection.close()
            
            return result if result else []
        except Exception as e:
            print(f"查询错误: {e}")
            return []
    
    def execute_query(self, query: str, params: tuple = None, *args, **kwargs):
        """执行查询"""
        return self.execute_custom_query(query, params, *args, **kwargs)
    
    def count_query(self, query: str, params: tuple = None, *args, **kwargs):
        """计数查询"""
        try:
            import mysql.connector
            connection = mysql.connector.connect(**self.db_config)
            cursor = connection.cursor()
            
            if params:
                cursor.execute(query, params)
            else:
                cursor.execute(query)
            
            result = cursor.fetchone()
            cursor.close()
            connection.close()
            
            return result[0] if result else 0
        except Exception as e:
            print(f"计数错误: {e}")
            return 0
